Hi Deepak,
Did you set up huge pages (in sysctl.conf or from the shell)? We usually
spawn the vrouter-dpdk process using taskset to bind it to a specific
set of CPU cores, but the command line below should work, so I suspect it is
not correctly provisioned. Can you please take a look at the logs in
/var/log/contrail/contrail-vrouter-dpdk-stdout.log for any clues?
Raja
From: Dev <[email protected]> on behalf of Deepak Tiwari
<[email protected]>
Date: Tuesday, April 4, 2017 at 5:02 AM
To: "[email protected]" <[email protected]>
Subject: Re: [opencontrail-dev] Need help in setting up vRouter in DPDK-enabled
mode
Hi,
With reference to the original query about how to setup and provision, DPDK
based vRouter, I have the contrail-vrouter-dpdk binary compiled.
Next in contrail.sh, I replaced the command to bring-up kernel based vrouter
with the command to bring-up vrouter-dpdk binary—
/usr/bin/contrail-vrouter-dpdk –no-daemon –socket-mem 1024,1024
I also loaded the igb_uio and rte_kni modules and bound the NICs to DPDK
However the binary fails to come-up. All other contrail components came-up
successfully except vrouter-agent because vrouter binary crashed and hence
vrouter-agent couldn’t connect to it and it exits.
contrail@contrail-23:~/dev/contrail-installer$ /usr/bin/contrail-vrouter-dpdk
--no-daemon --socket-mem 1024,1024
2017-04-04 17:21:52,196 VROUTER: vRouter/DPDK version: {"build-info":
[{"build-time": "2017-04-04 09:06:01.548355", "build-hostname": "contrail-23",
"build-user": "root", "build-version": "4.0.0.0"}]}
Illegal instruction (core dumped)
contrail@contrail-23:~/dev/contrail-installer$ gdb
/usr/bin/contrail-vrouter-dpdk core
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and "show warranty" for details.
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Type "show configuration" for configuration details.
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Reading symbols from /usr/bin/contrail-vrouter-dpdk...done.
warning: core file may not match specified executable file.
[New LWP 26874]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/contrail-vrouter-dpdk --no-daemon --socket-mem
1024,1024'.
Program terminated with signal SIGILL, Illegal instruction.
#0 dpdk_core_mask_get (system_cpus_count=4) at vrouter/dpdk/dpdk_vrouter.c:287
287 core_mask_count = __builtin_popcountll((unsigned long
long)cpu_core_mask);
(gdb) bt
#0 dpdk_core_mask_get (system_cpus_count=4) at vrouter/dpdk/dpdk_vrouter.c:287
#1 dpdk_argv_update () at vrouter/dpdk/dpdk_vrouter.c:491
#2 dpdk_init () at vrouter/dpdk/dpdk_vrouter.c:674
#3 main (argc=4, argv=0x7ffcc8e13668) at vrouter/dpdk/dpdk_vrouter.c:1162
(gdb)
Can anyone provide any clue on how do I proceed further?
Br, Deepak
From: Jakub Pavlik [mailto:[email protected]]
Sent: 20 March 2017 21:07
To: Deepak Tiwari <[email protected]>
Cc: [email protected]
Subject: Re: [opencontrail-dev] Need help in setting up vRouter in DPDK-enabled
mode
Hi Deepak,
sorry put there oc311
root@ea05e1fe2291:/# apt-cache policy contrail-vrouter-dpdk-init
contrail-vrouter-dpdk-init:
Installed: (none)
Candidate: 3.1.1.x~20170317154826
Version table:
3.1.1.x~20170317154826 0
500 http://apt-mk.mirantis.com/trusty/ nightly/oc311 amd64 Packages
Jakub
On Mon, Mar 20, 2017 at 1:54 PM, Deepak Tiwari
<[email protected]<mailto:[email protected]>> wrote:
Hi Paul,
Thanks for the response.
I checked the packages, but there I don’t see 'contrail-vrouter-dpdk-init'
package there
Br, Deepak
From: Jakub Pavlik [mailto:[email protected]<mailto:[email protected]>]
Sent: 20 March 2017 15:51
To: Deepak Tiwari <[email protected]<mailto:[email protected]>>
Cc: [email protected]<mailto:[email protected]>
Subject: Re: [opencontrail-dev] Need help in setting up vRouter in DPDK-enabled
mode
Hi Deepak,
you can try our repository:
deb [arch=amd64] http://apt-mk.mirantis.com/trusty nightly mitaka oc3111
We have all those dpdk packages there.
jakub
On Mon, Mar 20, 2017 at 8:38 AM, Deepak Tiwari
<[email protected]<mailto:[email protected]>> wrote:
Hi,
I have been trying to setup a single node development environment for Contrail
with DPDK based vRouter. I am facing issues there and struggling to understand
the overall process as I don’t find any online documentation in this regard.
All information that I get is related to configuring DPDK based vRouter in
binary-packages based setup. I would really appreciate if anyone out there can
help me here
Following are the steps I followed—
Initially I followed contrail-installer guidelines as a reference—
https://github.com/Juniper/contrail-installer
Using above approach, though I was able to bring up a “Contrail + Devstack”
setup up but it has vRouter installed as a Kernel module and no
“contrail-vrouter-dpdk” binary is generated.
Therefore, I did following steps to generate a “contrail-vrouter-dpdk” binary—
1. Downloaded dpdk code base (version 2.1) to “third_party/dpdk” folder
2. Update packages.make to include CONTRAIL_VROUTER_DPDK in sources
3. Some other tweaking in following files to get “countrail-vrouter-dpdk”
binary compiled successfully
a. /opt/stack/contrail/controller/src/config/utils/provision_vrouter.py,
b. vRouter/SConscript,
c. third_party/dpdk and vRouter/dpdk/ files
Thereafter taking reference from fabric-utils
(contrail-fabric-utils\fabfile\tasks\install.py and
contrail-fabric-utils\fabfile\utils\install.py) files I get to the point where
in ‘get_compute_pkgs’ routine, it tries to fetch 'contrail-vrouter-dpdk-init'
package
However I am unable to locate this 'contrail-vrouter-dpdk-init' package
anywhere.
Now I have two queries here—
1. Is this package available online somewhere? And,
2. Is there some other mechanism to Initialize/configure DPDK based
vRouter on the compute node in development source based installation?
Br, Deepak
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Jakub Pavlik
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[email protected]<mailto:[email protected]>
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